Read Triumph TR7 ECU Schematic text version

A

Pad 13 Pad 16 Vcc

R521 R520 5.1K 3.9K

B

Pad 2 Vcc Vcc

D520 R531 10K

C

Pad 9

D

Pad 5

E

Pad 3 Vcc

1K

F

Pad 4 Pad15 Pad 12 Pad 1

D602

G

Pad 6 Pad 8 Pad 7 Pad 14 Pad 11 Pad 10

H

C602 R619

270K R305 R306 1.2M R614

R530

120K

R525

R526

2K

Vcc

8.2K

T301 BCX78-IX

R307

1 3

R533

R527 15K C521 1uF

R528

BCX58-10

10K C300 6.8uF

R308 5.1K R309

BCY70S

D605

1

.22uF

BCX78-X

0

D303 R304

T302

C605

LM2902

36K .01uF C604 .01uF

1.3K R611 390K

470

1.5uF

R522

75K R523

390K

22K

5.6K

R524

R532

3K

3.3uF

R534

51K

130K 130K

R621 R620

R580

1K C606 3.3uF

100

2.2K R529

11K

D304

R581

R630

6.8K R582

150K

D321

Vcc

2K

100K

10K

LM2902

11

10

110

8

R608 R607

10K C522

T521

B600C R610

4 9

D606

R609 100K R605

R604

47K 2 B600A

390K

C520

T520

.1uF C601

R618

R615 R616

Vcc source

1

R606 3K Vcc

Vcc Vcc

R589 R583 7.5K

R622

1K

Vcc

R303 10K

91K R625 18K D610

B600D

13 12

7 5

D615

2

R624

B600C

6

R631 R632 C608 560 330 .01uF R628

R588

B700A C580

33K

6 7 3 1

2

D612

R592

R593 68K

T580 BCY58-IX

14

LM2902

D607

C607 .01uF

390K

.01uF C581

12 MC3302

180K

LM2902

R587

R586 68K

D582 10K

.01uF

AUXILIARY BOARD

R402

3

Pad 13 Pad 14 Pin 10 +12V In C191 220uF Pin 5 Ground Pin 2 N/C Pin 18 Throttle Switch (Common) Pin 4 Start Input

R301 47K

Pad 9

Pad 15 Pad 12

Pad 7

Pad 16

Pad 2 Pad 11 Pad 5 Pad 8 Pad 4

Pad 10

Pad 1 Pad 3 Pad 6 15

D400 ZY27 D405 R416 R411

MAIN BOARD

C400

1K 30

10K

D190

R351 R221 R108 3K 15 68

Pin 29 +12 V In

3

C190 1uF

2 11 18

R109

1.8K

SE15

C406 .1uF

R510 R350 68K R401 15 220

100uF T404

1N4002

HJ11

4 6 7 9

D103 SE15

9 5 8

BS1

C103

R511

D501

18K

8 10

HJ3

D352

7 4 7

11

1 HJ21 17 18

14 2

BS4

T403 BC640

ON642 Pin 14 Injector 4 Pin 15 Injector 1 N/C N/C Pin 30 Pin 31

ZY27

.1uF

R410

R413 680

R512

R239

47K R240

6.8K

B18 R107 0 C101

120K R106 R110

7

6.8K

C502

BCX58-9 D204

D301

5

14

R505

160K

4

R345

6.2K R346

51K

6.8uF C508 .033uF

R502 200K R503 11K

3 4 13 9 5

2K

3 11

C341 .22uF

4 5

T405 BC639

4

11 17

R302

33K

C301 .1uF

R500

27K R501

390K

R104

47K R103

360K

D221

R514

5.1K

C233 .01uF L205 C234 .01uF

17 12 13

ZY27

Pin 12 N/C Pin 7 Airflow Meter (Signal) Pin 23 Ground

R409

8

009S (BLACK)

C104 470nF

220-100CN R513 1K

9 12 16 1 6 12

049S (RED)

1.5uF

C343 2.2uF D353

10 14 15

029S (BLUE)

220-079CN

9

.001uF

R404 C405 22 .001uF R405 C407 100pF 22

D402

16

1

C504

R414

270

T300

.01uF

620K

C224 2.2uF

R412 1K C403

11

R403 1K

Pin 32 Injector 3 Pin 33 Injector 2 Pin 16 Ground Pin 17 Ground Pin 28 Combo Relay T402 Pin 34 Aux Air Valve N/C Pin 35

L204

10

C102 .22uF

4

3

10

10

7 13 12 6 1

R407

33K R408

1.8K

5

R101

D101

R105

47K

6

Pin 9 Airflow Meter (V+) Pin 1 Tach Signal Pin 21 N/C Pin 22 Mixture Monitor Output Pin 24 O2 Sensor Pin 3 Throttle Switch (Fully Open) Pin 27 Air Temp Sensor Pin 13 Coolant Temp Sensor Pin 11 N/C

47K

Pin 8 Airflow Meter (Tap) Pin 6 Airflow Meter (V-)

R102 5.6K

2

13 5 14

L309 C501 1.5uF C360 .01uF

16 6

2K C404 47uF

ZY47

R415

D401

0.15

ON645

5

Pin 19 N/C

L500

THE INFORMATION PRESENTED IN THIS DIAGRAM IS NOT GUARANTEED TO BE COMPLETELY CORRECT

PRELIMINARY INFO ONLY

Pin 20 N/C Pin 25 N/C Pin 26 N/C

6

Bosch TM Model 0 280 000 187

A

B

C

D

E

F

REV A

TRIUMPH TR7 - EFI ECU G

GENE PAGE 1/1 THOMPSON 2006

H

A

B

C

D

E

F

G

H

1

THROTTLE POSITION SWITCH

CLOSES ON WIDE OPEN THROTTLE

YK YB YO

1

OXYGEN SENSOR MIXTURE MONITOR PORT

UO +12V GND B UY UY PLG PU PU PLG SIGNAL

COLD START INJECTOR

AUXILIARY AIR VALVE

THERMOTIME SWITCH

RU RS

2

U

ELECTRONIC CONTROL UNIT

19 20 1 WS YK UP YB PLG UO B W UR U U UG UO UW G UY YN YG 30 BS SN SU SG SR B RU B YO B B B B B ENGINE GROUNDS SG YG SR YG SU YU SN YU SPLICE B SPLICE SPLICE UP UY 39 36 UR 6 CLOSED U 7 UG 8 UW 9 G 27 AIR TEMP UY 88a UY RS 88c PLG 86 UP 86b YG 88e YU 88b

2

WS

COMBO RELAY

88d 86a 88y 88d 88z LGW WO N W N WO N W N

------

COIL NEGATIVE

VIEW IS LOOKING INTO HARNESS PLUG

5

3

25

AIRFLOW METER

YN 85 WG WG

START SIGNAL UNSWITCHED POWER SWITCHED POWER UNSWITCHED POWER

INERTIA SWITCH

WG LGW

3

10

SPLICE

FUEL PUMP

B

4

15

NOTE - Some models use two conventional relays and a diode-resistor pack instead of a combo relay.

4

35 18

BS

COOLANT TEMP SENSOR

5

5

#1 #2 #3 #4 FUEL INJECTORS

COLORS:

6

B = BLACK G = GREEN K = PINK LG = LIGHT GREEN N = BROWN O = ORANGE P = PURPLE R = RED S = SLATE (GRAY) U = BLUE W = WHITE Y = YELLOW

PRELIMINARY INFO ONLY

THE INFORMATION PRESENTED IN THIS DIAGRAM IS NOT GUARANTEED TO BE COMPLETELY CORRECT

6

A

B

C

D

E

F

REV A

TRIUMPH TR7 - EFI WIRING G

GENE PAGE 1/1 THOMPSON 2006

H

Information

Triumph TR7 ECU Schematic

4 pages

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